[pango] Flush cairo surface when done

[Behdad Esfahbod <behdad src gnome org>]

commit fc31c06d5623653defdfde33ebbab44f9e5e89d0
Author: Behdad Esfahbod <behdad behdad org>
Date:   Wed Nov 7 10:58:40 2012 -0800

    Flush cairo surface when done

 pango-view/viewer-pangocairo.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/pango-view/viewer-pangocairo.c b/pango-view/viewer-pangocairo.c
index 3d19668..3e89320 100644
--- a/pango-view/viewer-pangocairo.c
+++ b/pango-view/viewer-pangocairo.c
@@ -276,6 +276,8 @@ render_callback (PangoLayout *layout,
   pango_cairo_show_layout (cr, layout);
 
   cairo_restore (cr);
+
+  cairo_surface_flush (cairo_get_target (cr));
 }
 
 static void